Added toString to client proxies
Renamed Function to IFunction to prevent clashes with Java 8

Added @Beta tags to AsyncAtomicReference,AsyncAtomicLong and ICompletableFuture
Added @since 3.2
Made RepMap test reliable
Merge pull request #1692 from pveentjer/beta-and-rename-function

Renamed Function to IFunction to prevent clashes with Java 8
Merge pull request #1690 from pveentjer/client/toString

Added toString to client proxies
Added toString to client mapreduce proxy
Ported operation service leak tests from maintenance branch.
Merge pull request #1695 from mdogan/fix/3.2/async-memory-leak

Ported operation service leak tests from maintenance branch.
map bugs found by FindBugs
Added missing @since markers on HazelcastInstance
Added missing @since markers at Member
Added documentation to XSD and added some more missing @since markers
Updated README build instruction.
Merge pull request #1696 from enesakar/master-findbugs

map bugs found by FindBugs
added entry-processor-delete tests as ignored